COMPARISON OF QUANTIFICATION METHODS IN GAS CHROMATOGRAPHY: AN EXPERIMENT FOR CHEMISTRY COURSES

被引:10
作者
Pereira Ligiero, Carolina Bastos [1 ]
dos Reis, Lindomar Augusto [1 ]
Parrilha, Gabrieli Lessa [1 ]
Baptista Filho, Milton [1 ]
Canela, Maria Cristina [1 ]
机构
[1] Univ Estadual Norte Fluminense, Ctr Ciencia & Tecnol, BR-28013602 Campos Dos Goytacazes, RJ, Brazil
来源
QUIMICA NOVA | 2009年 / 32卷 / 05期
关键词
GC; quantitative analysis; teaching;
D O I
10.1590/S0100-40422009000500043
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
COMPARISON OF QUANTIFICATION METHODS IN GAS CHROMATOGRAPHY: AN EXPERIMENT FOR CHEMISTRY COURSES. This article describes an experiment designed to teach quantitative determination in gas chromatography (GC) in Organic and Analytical Chemistry practical classes. The experiment consisted of extracting and analyzing eugenol from clove seeds to perform a quantitative approach aimed at comparing results obtained by external and internal calibration procedures. Therefore, this experiment proved to be very effective tool to enhance students awareness on the need to understand different types of calibration in GC and on how to avoid common experimental errors, and to find the best ways to eliminate their interference during the quantitative analysis phase.
引用
收藏
页码:1338 / 1341
页数:4
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